* test/ruby/test_marshal.rb: remove temporally files early.

* test/ruby/test_process.rb: ditto.

* test/psych/test_exception.rb: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38966 b2dd03c8-39d4-4d8f-98ff-823fe69b080e